Superintendent Andy Webster of Lancashire Constabulary has said that searches are ongoing at an Islamic school for girls following reports of sexual abuse, but that it is being treated as an "isolated incident".
He added that detectives were trying to identify the alleged victims and that it is not known whether they are current or former pupils at the school.
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A woman hit by police gunfire during a counter-terrorism operation has been arrested after being released from hospital.
Police have been granted extra time to question a man who is being held on suspicion of planning a terror attack.
The man opened fire at the house, shattering the front door and window.